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f95a6cfc12
This use the same mechanism than Abort. Except clause stay distinct because RepoError add "!" at the end of the message.
88 lines
2.4 KiB
Python
88 lines
2.4 KiB
Python
# error.py - Mercurial exceptions
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#
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# Copyright 2005-2008 Matt Mackall <mpm@selenic.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""Mercurial exceptions.
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This allows us to catch exceptions at higher levels without forcing
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imports.
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"""
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# Do not import anything here, please
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class RevlogError(Exception):
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pass
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class LookupError(RevlogError, KeyError):
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def __init__(self, name, index, message):
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self.name = name
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if isinstance(name, str) and len(name) == 20:
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from node import short
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name = short(name)
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RevlogError.__init__(self, '%s@%s: %s' % (index, name, message))
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def __str__(self):
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return RevlogError.__str__(self)
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class CommandError(Exception):
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"""Exception raised on errors in parsing the command line."""
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class Abort(Exception):
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"""Raised if a command needs to print an error and exit."""
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def __init__(self, *args, **kw):
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Exception.__init__(self, *args)
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self.hint = kw.get('hint')
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class ConfigError(Abort):
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'Exception raised when parsing config files'
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class ParseError(Exception):
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'Exception raised when parsing config files (msg[, pos])'
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class RepoError(Exception):
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def __init__(self, *args, **kw):
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Exception.__init__(self, *args)
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self.hint = kw.get('hint')
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class RepoLookupError(RepoError):
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pass
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class CapabilityError(RepoError):
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pass
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class RequirementError(RepoError):
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"""Exception raised if .hg/requires has an unknown entry."""
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pass
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class LockError(IOError):
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def __init__(self, errno, strerror, filename, desc):
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IOError.__init__(self, errno, strerror, filename)
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self.desc = desc
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class LockHeld(LockError):
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def __init__(self, errno, filename, desc, locker):
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LockError.__init__(self, errno, 'Lock held', filename, desc)
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self.locker = locker
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class LockUnavailable(LockError):
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pass
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class ResponseError(Exception):
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"""Raised to print an error with part of output and exit."""
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class UnknownCommand(Exception):
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"""Exception raised if command is not in the command table."""
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class AmbiguousCommand(Exception):
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"""Exception raised if command shortcut matches more than one command."""
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# derived from KeyboardInterrupt to simplify some breakout code
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class SignalInterrupt(KeyboardInterrupt):
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"""Exception raised on SIGTERM and SIGHUP."""
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class SignatureError(Exception):
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pass
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